Nearly 1,000 UCSD freshmen test into elementary school math despite stellar high school grades—a crisis 30 times worse than ...

Helping students to develop math fluency takes more than just flash cards. It requires teaching them how to think about ...

When it’s not necessary to give an exact value, numbers can be rounded. Rounding means making a number simpler but keeping its value close to what it is. When rounding numbers the result is less ...

Rounding helps us to quickly estimate answers before working them out. Always look at the digit to the right of the one you’re supposed to be rounding to. For example, to round the number 1,121,565 to ...

Scientific American presentsMath Dudeby Quick & Dirty Tips. Scientific American and Quick & Dirty Tips are both Macmillan companies. In the last Math Dude episode, we learned the ins and outs of ...